Astrobiology: Life in the Universe

NASA Astrobiology Institute (NAI)


  1. Now showing: Year 2008 projects from the SETI team

  2. Roadmap Goal 1: Understand the nature and distribution of habitable environments in the Universe

    Objective 1.1: Models of formation and evolution of habitable planets

    Abiotic Nitrogen Cycling

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 2.1, 3.1

    Expanding the List of Target Stars for Next Generation SETI Searches

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 4.3, 6.2, 7.2

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Training for Oxygen: Peroxy in Rocks, Early Life and the Evolution of the Atmosphere

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.1, 4.1, 7.2

    Objective 1.2: Indirect and direct astronomical observations of extrasolar habitable planets

    Abiotic Nitrogen Cycling

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 2.1, 3.1

    Expanding the List of Target Stars for Next Generation SETI Searches

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 4.3, 6.2, 7.2

    Roadmap Goal 2: Explore for past or present habitable environments, prebiotic chemistry and signs of life elsewhere in our Solar System

    Objective 2.1: Mars exploration

    Abiotic Nitrogen Cycling

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 2.1, 3.1

    Iron, the Oxygen Transition, UV Shielding, and Photosynthesis

    TEAM: SETI / ROADMAP OBJECTIVES: 2.1

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Training for Oxygen: Peroxy in Rocks, Early Life and the Evolution of the Atmosphere

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.1, 4.1, 7.2

    Objective 2.2: Outer Solar System exploration

    Surface Processes and Surface-Subsurface Transport on Europa

    TEAM: SETI / ROADMAP OBJECTIVES: 2.2

    Roadmap Goal 3: Understand how life originates from cosmic and planetary precursors

    Objective 3.1: Sources of prebiotic materials and catalysts

    Abiotic Nitrogen Cycling

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 2.1, 3.1

    Formation of Nitrogenated Aromatics in the Interstellar Medium

    TEAM: SETI / ROADMAP OBJECTIVES: 3.1

    Training for Oxygen: Peroxy in Rocks, Early Life and the Evolution of the Atmosphere

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.1, 4.1, 7.2

    Objective 3.2: Origins and evolution of functional biomolecules

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    Roadmap Goal 4: Understand how past life on Earth interacted with its changing planetary and Solar System environment

    Objective 4.1: Earth's early biosphere

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Training for Oxygen: Peroxy in Rocks, Early Life and the Evolution of the Atmosphere

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.1, 4.1, 7.2

    Objective 4.3: Effects of extraterrestrial events upon the biosphere

    Expanding the List of Target Stars for Next Generation SETI Searches

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 4.3, 6.2, 7.2

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Roadmap Goal 5: Understand the evolutionary mechanisms and environmental limits of life

    Objective 5.1: Environment-dependent, molecular evolution in microorganisms

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Objective 5.2: Co-evolution of microbial communities

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Objective 5.3: Biochemical adaptation to extreme environments

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Roadmap Goal 6: Understand the principles that will shape the future of life, both on Earth and beyond

    Objective 6.1: Environmental changes and the cycling of elements by the biota, communities, and ecosystems

    Planetary-Scale Transition from Abiotic to Biotic Nitrogen Cycle

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.2, 4.1, 5.1, 5.2, 5.3, 6.1

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Objective 6.2: Adaptation and evolution of life beyond Earth

    Expanding the List of Target Stars for Next Generation SETI Searches

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 4.3, 6.2, 7.2

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Objective 7.1: Biosignatures to be sought in Solar System materials

    The High Lakes Project (HLP)

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1

    Roadmap Goal 7: Determine how to recognize signatures of life on other worlds and on early Earth

    Objective 7.2: Biosignatures to be sought in nearby planetary systems

    Expanding the List of Target Stars for Next Generation SETI Searches

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 1.2, 4.3, 6.2, 7.2

    Training for Oxygen: Peroxy in Rocks, Early Life and the Evolution of the Atmosphere

    TEAM: SETI / ROADMAP OBJECTIVES: 1.1, 2.1, 3.1, 4.1, 7.2

Change your results

Change the project list by adding or removing a year. Click a year to add, click the [x] to remove.

  • 2003
  • 2004
  • 2005
  • 2006
  • 2007
  • 2008

  • Change the project list by adding or removing a roadmap objective. Click an objective to add, click the [x] to remove.

  • 1.1 Models of formation and evolution of habitable planets
  • 1.2 Indirect and direct astronomical observations of extrasolar habitable planets
  • 2.1 Mars exploration
  • 2.2 Outer Solar System exploration
  • 3.1 Sources of prebiotic materials and catalysts
  • 3.2 Origins and evolution of functional biomolecules
  • 3.3 Origins of energy transduction
  • 3.4 Origins of cellularity and protobiological systems
  • 4.1 Earth's early biosphere
  • 4.2 Foundations of complex life
  • 5.1 Environment-dependent, molecular evolution in microorganisms
  • 5.2 Co-evolution of microbial communities
  • 5.3 Biochemical adaptation to extreme environments
  • 6.1 Environmental changes and the cycling of elements by the biota, communities, and ecosystems
  • 6.2 Adaptation and evolution of life beyond Earth
  • 7.1 Biosignatures to be sought in Solar System materials
  • 7.2 Biosignatures to be sought in nearby planetary systems

  • Change the project list by adding or removing a team. Click a team to add, click the [x] to remove.

  • Carnegie Institution of Washington
  • Indiana University, Bloomington
  • Marine Biological Laboratory
  • Massachusetts Institute of Technology
  • Montana State University
  • NASA Ames Research Center
  • NASA Goddard Space Flight Center
  • Pennsylvania State University
  • SETI Institute [x]
  • University of Arizona
  • University of California, Berkeley
  • University of Colorado, Boulder
  • University of Hawaii
  • University of Wisconsin
  • VPL at University of Washington